-warning: non-SMTP command from \w+\[[\da-fA-F.:]+\]: .*
-warning: TLS library problem: error:[0-9A-F]+:SSL routines:\w+:(no shared cipher|decryption failed or bad record mac|unknown protocol|version too low):[\w./]+:\d+:
+warning: non-SMTP command from [._\w-]+\[[\da-fA-F.:]+\]: .*
+warning: TLS library problem: error:[0-9A-F]+:SSL routines:\w+:.*
+warning: dnsblog reply timeout \d+s for .*
+warning: dnsblog_query: lookup error for DNS query .*: Host or domain name not found. Name service error .*
+warning: ciphertext read/write timeout for \[[\da-fA-F.:]+\]:\d+
+warning: getpeername: Transport endpoint is not connected -- dropping this connection
+